<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>Wenjin Fu</title><description>Machine learning engineer building perception, spatial intelligence and efficient on-device AI for robots.</description><link>https://wenjin-fu.pages.dev/</link><item><title>Reading Notes: SAM 3 and Segmenting &quot;Concepts&quot;</title><link>https://wenjin-fu.pages.dev/blog/reading-notes-sam3/</link><guid isPermaLink="true">https://wenjin-fu.pages.dev/blog/reading-notes-sam3/</guid><description>What changes when a segmentation model takes a noun phrase instead of a click, and why it matters for robot maps.</description><pubDate>Wed, 28 Oct 2026 00:00:00 GMT</pubDate></item><item><title>Acting While Thinking: Notes on Real-Time Action Chunking</title><link>https://wenjin-fu.pages.dev/blog/real-time-chunking/</link><guid isPermaLink="true">https://wenjin-fu.pages.dev/blog/real-time-chunking/</guid><description>How robot policies keep moving smoothly when the model is slower than the control loop.</description><pubDate>Tue, 20 Oct 2026 00:00:00 GMT</pubDate></item><item><title>Weekend Notes (sample post)</title><link>https://wenjin-fu.pages.dev/blog/weekend-sample/</link><guid isPermaLink="true">https://wenjin-fu.pages.dev/blog/weekend-sample/</guid><description>A placeholder for weekend trips and photos.</description><pubDate>Sun, 25 Oct 2026 00:00:00 GMT</pubDate></item></channel></rss>